I got my mom a Powershot A85 for her birthday back in December. She loves it. She's set up with Picasa, since it fulfills all of her editing/organizing needs. She uses it to send her pics to Wal-Mart ...

IrfanView is a free image viewer and editor using which you can add date stamps to multiple photos at once. It offers a handy Batch Conversion tool that you can use as a batch photo date stamper.